I understand the desire to protect vulnerable residents, but punishing those very people and entrepreneurs who want to increase housing supply in Portland is not going to help anyone.  

Anyone with a lot of cash and under pressure to do a  deal is in a vulnerable position, and having that knowledge cuts down the extent of how vulnerable you are.

Seem a vulnerability to them in their methodology.  

My explanation was more for the benefit of other folks who might be "vulnerable" to accidentally investing themselves into a job;) Yes those micro units are intriguing to me.

This may be a vulnerable area that is allowing water to enter the crawl space.

Professional landlord" is not a tax term, so I am not positive about what your CPA meant by that.I mentioned a single-LLC setup but he said that that would leave my houses just as vulnerable since they exist in the same corporate entity. 

If someone sued you and wins then yes your leveraged asset is vulnerable in either case.

While you have the least risk, you are the most vulnerable when it comes to collecting on anything.

She is open and vulnerable with people.

The LLC protects your IRA from outside exposure, as does the ERISA protection enjoyed by a 401K (ask OJ Simpson about that).To the degree that each asset is held by the same entity within each plan, all are vulnerable to inside creditors (i.e. your slip and fall example).